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FNA | Family List | FNA Vol. 19, 20 and 21 | Asteraceae | Crepis

12. Crepis monticola Coville, Contr. U.S. Natl. Herb. 3: 562, plate 22. 1896.

Mountain hawksbeard

Crepis occidentalis Nuttall var. crinita A. Gray

Perennials, 10–35 cm (taproots vertical, caudices simple or branched). Stems 1–3, erect (reddish brown), stout, branched proximally, densely setose and stipitate-glandular (setae 1–3 mm). Leaves basal and cauline; petiolate; blades elliptic or oblanceolate, 10–25 × 2–4 cm, margins pinnately lobed or sharply serrate (lobes lanceolate, acuminate), apices acute, faces villous or coarsely setose, stipitate-glandular (cauline 2–3, bases clasping, margins dentate or serrate). Heads 2–20, in loose cymiform arrays. Calyculi of 3–10, narrowly lanceolate to linear, densely setose and stipitate-glandular bractlets 3–5 mm. Involucres cylindro-campanulate, 14–24 × 5–15 mm. Phyllaries 7–12, lanceolate, 14–20 mm (margins yellowish, not scarious), apices long-acuminate, abaxial faces densely and coarsely setose, adaxial glabrous or with fine, appressed, yellowish hairs. Florets 16–20; corollas yellow, 16–21 mm. Cypselae reddish brown, fusiform, 5.5–9 mm, apices narrowed (not beaked), ribs 13; pappi creamy white, 9–13 mm (outer bristles shorter and finer). 2n = 22, 33, 44, 55, 77, 88.

Flowering May–Jul. Coniferous forests, thickets, open woods, valleys and foothills, dry gravelly open areas; 700–2400 m; Calif., Oreg.

Crepis monticola is recognized by the densely stipitate-glandular stems and leaves, and long-acuminate phyllaries.


 

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